As important a technology as water filters are, they get less effective as bacteria builds up on their surface. Now, researchers at Washington University in St. Louis have developed a new type of ...

FLINT, MI - While the point-of-use water filters provided by the state clear lead from Flint drinking water, they actually have the potential to increase bacteria levels in the water, researchers say.

Bacteria present a sticky and costly problem for wastewater treatment plants. When the microbes accumulate on filters, they secrete a polymeric slime that gums up water filtration. To help prevent ...

A water-purifying filter made from normal cotton coated in nanostructures has been developed by researchers at Stanford University in the US. They say that the device, which works by killing bacteria ...

Water filters on the market today can't always stop bacteria from passing through. The problem is a structural one. It's hard to get the pore sizes to align properly, leaving room for the pathogens to ...

Air filters have been known to capture viruses and a lot of other nasty microscopic things so take special care when changing one out in the cab. That advice comes from leading air filtration expert ...